CN202785714U - Wastewater stripper plant - Google Patents
Wastewater stripper plant Download PDFInfo
- Publication number
- CN202785714U CN202785714U CN 201220456801 CN201220456801U CN202785714U CN 202785714 U CN202785714 U CN 202785714U CN 201220456801 CN201220456801 CN 201220456801 CN 201220456801 U CN201220456801 U CN 201220456801U CN 202785714 U CN202785714 U CN 202785714U
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- CN
- China
- Prior art keywords
- wastewater
- tower
- pump
- waste water
- stripper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a wastewater stripper plant. The wastewater stripper plant structurally comprises a wastewater tank, a wastewater pump, a wastewater stripper tower and a tower bottom pump, wherein a polymerization wastewater inlet is formed in the upper part of the wastewater tank, the bottom of the wastewater tank is connected with the upper part of the wastewater stripper tower by a connecting pipeline connected with the wastewater pump in series, a chloroethylene-steam mixture outlet is formed in the top of the wastewater stripper tower, a steam inlet is formed in the lower part of the wastewater stripper tower, and the tower bottom pump is arranged at the bottom of the wastewater stripper tower, is connected with the middle lower part of the wastewater stripper tower by a backflow pipe and is also connected with a wastewater treatment device. According to the wastewater stripper plant, due to the utilization of heat energy of steam, chloroethylene dissolved in polymerization wastewater is taken away and is recycled, the calcium carbide consumption amount is lowered, the water pollution is reduced; and the wastewater stripper plant is suitable for production enterprises of polyvinyl chloride by a calcium carbide method.
Description
Technical field
The utility model relates to a kind of device that extracts vinylchlorid in the waste water, and specifically a kind of heat energy that takes full advantage of steam is taken away the vinylchlorid that dissolves in the polymerization waste water, and the Wastewater Stripping Unit of being recycled.
Background technology
Polymerization waste water mainly comes from the polymeric kettle wash-down water, the steam stripped tower aftercondenser of slurry water of condensation, dissolving and carried a small amount of vinylchlorid (2000-20000PPm) and resin secretly in the waste water, unprocessed at present, directly discharge to treatment tank by trench, vinylchlorid in the water evaporates atmosphere is polluted, work the mischief to the execute-in-place worker is healthy, and vinylchlorid gathers at trench for a long time, the trench blast easily occurs when meeting naked light, cause security incident, to make in the waste water content of vinylchloride reach emission standard be very necessary so this part waste water effectively processed.
Summary of the invention
Technical assignment of the present utility model is for the deficiencies in the prior art, and a kind of Wastewater Stripping Unit is provided.
The technical scheme that its technical problem that solves the utility model adopts is:
Wastewater Stripping Unit, comprise waste water tank, waste water pump, water vaporization tower and column bottoms pump, the top of described waste water tank is provided with the polymerization waterwater entrance, the bottom of waste water tank is connected with the top of water vaporization tower by the connecting tube that is in series with waste water pump, the top of water vaporization tower is provided with the mixture outlet of vinylchlorid and water vapour, the bottom of water vaporization tower is provided with steam inlet, the bottom of water vaporization tower is provided with column bottoms pump, column bottoms pump both was connected with the middle and lower part of water vaporization tower by return line, was connected with wastewater treatment equipment again.
Column bottoms pump is incorporated into a part of waste water again in the water vaporization tower by return line, and another part waste water is delivered to wastewater treatment equipment.
Wastewater Stripping Unit of the present utility model, its stripping process and slurry stripping process are similar.In water vaporization tower, waste water is entered in the tower by cat head, and steam enters in the tower at the bottom of by tower, in waste water and the steam counter-flow process, at column plate place mass-and heat-transfer, to overflow from cat head with the vinyl chloride gas of saturation steam and to reclaim into the recovery compressor, the waste water of treated mistake enters trench at the bottom of by tower.
Wastewater Stripping Unit of the present utility model compared with prior art, the beneficial effect that produces is:
The utility model is taken away the vinylchlorid that dissolves in the polymerization waste water, and is recycled by utilizing the heat energy of steam, reduces consumption of calcium carbide, reduces the water pollution, is applicable to generated by polyvinyl chloride by calcium carbide manufacturing enterprise.
Description of drawings
Accompanying drawing 1 is structural representation of the present utility model.
Among the figure, 1, waste water tank, 2, waste water pump, 3, water vaporization tower, 4, column bottoms pump, 5, connecting tube, 6, return line, 7, steam inlet.
Embodiment
Explain below below in conjunction with accompanying drawing Wastewater Stripping Unit of the present utility model being done.
As shown in Figure 1, Wastewater Stripping Unit of the present utility model, its structure comprises waste water tank 1, waste water pump 2, water vaporization tower 3 and column bottoms pump 4, the top of described waste water tank 1 is provided with the polymerization waterwater entrance, the bottom of waste water tank 1 is connected with the top of water vaporization tower 3 by the connecting tube 5 that is in series with waste water pump 2, the top of water vaporization tower 3 is provided with the mixture outlet of vinylchlorid and water vapour, the bottom of water vaporization tower 3 is provided with steam inlet 7, the bottom of water vaporization tower 3 is provided with column bottoms pump 4, column bottoms pump 4 both was connected by the middle and lower part of return line 6 with water vaporization tower 3, was connected with wastewater treatment equipment again.
Wastewater Stripping Unit of the present utility model adopts the DCS centralized Control.During driving, open first the steam inlet valve of water vaporization tower, low discharge passes into steam; Open the valve that cat head leads to gas holder; Open tower waste water inlet valve, progressively increase the valve opening of steam and waste water, make tower pressure reduction be stabilized in a certain numerical value, system is dropped into automatically control.
During parking, progressively turn down the waste water imported valve first, steam valve is along with reducing, until close down.Close down cat head towards the valve of gas holder, stop.
In Wastewater Stripping Unit, the intake of steam is crucial: flux is excessive, and water temperature is overheated, causes waste; Flux is too small, does not reach steam stripped purpose.The pressure of stripping tower outlet will be stablized, and not so causes the tower operation unstable.
Its processing and fabricating of Wastewater Stripping Unit of the present utility model is simple and convenient, and processing and fabricating gets final product shown in the by specification accompanying drawing.
Except the described technical characterictic of specification sheets, be the known technology of those skilled in the art.
Claims (1)
1. Wastewater Stripping Unit, comprise waste water tank (1), waste water pump (2), water vaporization tower (3) and column bottoms pump (4), it is characterized in that, the top of described waste water tank (1) is provided with the polymerization waterwater entrance, the bottom of waste water tank (1) is connected with the top of water vaporization tower (3) by the connecting tube (5) that is in series with waste water pump (2), the top of water vaporization tower (3) is provided with the mixture outlet of vinylchlorid and water vapour, the bottom of water vaporization tower (3) is provided with steam inlet (7), the bottom of water vaporization tower (3) is provided with column bottoms pump (4), column bottoms pump (4) both was connected by the middle and lower part of return line (6) with water vaporization tower (3), was connected with wastewater treatment equipment again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220456801 CN202785714U (en) | 2012-09-10 | 2012-09-10 | Wastewater stripper plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220456801 CN202785714U (en) | 2012-09-10 | 2012-09-10 | Wastewater stripper plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202785714U true CN202785714U (en) | 2013-03-13 |
Family
ID=47813021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220456801 Expired - Fee Related CN202785714U (en) | 2012-09-10 | 2012-09-10 | Wastewater stripper plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202785714U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106335951A (en) * | 2015-11-11 | 2017-01-18 | 宁波工程学院 | Stripping technology for removing hydrogen sulfide from oil extraction sewage |
| CN108579115A (en) * | 2018-05-04 | 2018-09-28 | 绵阳科大久创科技有限公司 | A kind of negative pressure evaporation rectifying combination separator |
| CN109081490A (en) * | 2018-08-27 | 2018-12-25 | 天津渤化工程有限公司 | Sewage treatment equipment and method |
| CN109279673A (en) * | 2018-10-18 | 2019-01-29 | 国家能源投资集团有限责任公司 | The processing method and processing system of methanol-to-olefins sewage |
| CN110203985A (en) * | 2018-05-24 | 2019-09-06 | 西安华江环保科技股份有限公司 | A kind of wastewater from chemical industry stripping processing unit and technique |
-
2012
- 2012-09-10 CN CN 201220456801 patent/CN202785714U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106335951A (en) * | 2015-11-11 | 2017-01-18 | 宁波工程学院 | Stripping technology for removing hydrogen sulfide from oil extraction sewage |
| CN108579115A (en) * | 2018-05-04 | 2018-09-28 | 绵阳科大久创科技有限公司 | A kind of negative pressure evaporation rectifying combination separator |
| CN110203985A (en) * | 2018-05-24 | 2019-09-06 | 西安华江环保科技股份有限公司 | A kind of wastewater from chemical industry stripping processing unit and technique |
| CN109081490A (en) * | 2018-08-27 | 2018-12-25 | 天津渤化工程有限公司 | Sewage treatment equipment and method |
| CN109279673A (en) * | 2018-10-18 | 2019-01-29 | 国家能源投资集团有限责任公司 | The processing method and processing system of methanol-to-olefins sewage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20150910 |
|
| EXPY | Termination of patent right or utility model |